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Unit16TheUnitedStatesofAmerica一.单项选择1.Ihadto_____thetemptationtolaughathisfoolishmistake.A.conquerB.overtakeC.overcomeD.overdo2.IfIwereyou,Ishouldleavethatquestion_____.A.aloneB.aboutC.outD.off3.Heinsistedthathe_____thebest,soheinsistedthathe_____theworkallbyhimself.A.be;doB.was;doC.be;didD.hadbeen;haddone4.Peoplelinedupandenteredthehall_____.A.inturnB.byturnsC.turningD.withturn5.Over200peopledied_____theaircrash.A.withregardtoB.asaresultofC.inthecourseofD.onthegroundsof6.Theyare_____topreferthebetterwhenthebestinunattainable.A.likeB.willC.anxiousD.willing7.Thepolice_____thestolenjewelleryandreturnedittotheowner.A.searchedB.huntedC.inventedD.recovered8.Letmeknowthetimeofyour_____.A.reachB.arrivalC.comeD.got9.Wetried_____topersuadehimtostayhome,butatlasthewenttotheconstructionsiteinspiteofhisbadillness.A.vainB.invainC.infactD.invanity10.Evenbeforequiteafewpeople,shecan’t_____thecouragetospeakaloud.A.gatherB.collectC.assembleD.raise11.Hecametothemeeting_____hisserousillness.A.despiteB.throughC.pastD.despise12.Nothingcameout_____allthistalk.A.againstB.forC.ofD.with13.Iamnotused_____tolikethat.A.tobeingspokenB.tospeakC.beingspokenD.tospeaking14.Tofetchwaterbeforebreakfastseemedtomearule_____.A.toneverbreakB.nevertobebrokenC.nevertohavebrokenD.nevertobebreaking15.Weshallhaveawholeholiday_____mybirthday.A.inhonorofB.infaceofC.inspiteofD.instorefor二.完形填空CertainlydustmenprefertobeknownasReuseCollectionandDisposalOfficers（垃圾回收处理官员）.Youmaythinkthatthisisrather16,anditisbettertocallaspadeaspade.Butdustmencanbeas17aspeopleofanyotheroccupation（职业）,thoughwemust18thattheirjobisnota19oneintheworld.Weoftentakedustmenforgranted.Perhapsbecausetheyusuallycomeveryearlyinthemorning,beforemostpeopleare20.Wearelikelytoforgettheir21.Ourdustbinsare22regularly,butwe23stoptothinkaboutthemenwhodothis.However,itisoneofthemostimportantjobsintheworld,andwhentherearenodustmento24therubbish,thegeneral25soonbecomesawarethatsomethingiswrong.Recently,thedustmenofEnglandwentonstrikeforhigherwages.Duringthefirstfewdaysitwasregardedasa26.Butwhenthefirsttwoweekshadpassed,andthedustbinswereoverflowinginnearlyeverybackyardinthecountry,thejokedidnotseemso27anymore.28thestrikecontinued,peoplecouldnot29thehillsofrubbisharoundtheirdustbins,andtheylookedforotherplacesinwhichto30it.EvenLeicesterSquare,intheheartofWestEndofLondon,was31highwithplasticbagsfullofsmellyrubbish.Thiswasa(n)32attractionthatthepeopleofLondonwerenotatall33tosee.Evenwhenthestrikewasover,ittookseveralweeksforthecountrytogetcleanedupcompletely.PerhapsnowtheEnglishpeople34theworkoftheirdustmenrathermore35andwon'ttakethemforgrantedanymore.16.A.cleverB.sillyC.interestingD.reasonable17.A.sensitiveB.carelessC.hopefulD.shy18.A.realizeB.believeC.knowD.admit19.A.necessaryB.difficultC.romanticD.heavy20.A.awayB.upC.downD.in21.A.existenceB.presenceC.absenceD.performance22.A.cleanedB.filledC.emptiedD.burned23.A.generallyB.frequentlyC.sometimesD.seldom24.A.takeawayB.takeoffC.takeupD.takeon25.A.societyB.citizenC.publicD.community26.A.trickB.jokeC.troubleD.show27.A.pleasingB.excitedC.stupidD.funny28.A.WhenB.WhileC.AsD.Because29.A.bearB.containC.manageD.control30.A.keepoffB.giveupC.takecareofD.getridof31.A.crowdedB.piledC.fixedD.put32.A.businessB.industrialC.touristD.agricultural33.A.disappointedB.seriousC.nervousD.happy34.A.likeB.recognizeC.findD.appreciate35.A.highlyB.eagerlyC.differentlyD.entirely三.阅读理解PALOALTO,California------“Switchingoffthetelevisionmayhelppreventchildrenfromgettingfatter------eveniftheydonotchangetheirdietorincreasetheamounttheyexercise,”USresearcherssaidlastweek.Astudyof192thirdandfourthgraders,generallyagedeightandnine,foundthatchildrenwhocutthenumberofhoursspentwatchingtelevisiongainednearlytwopounds(0.9kg)lessoveraone-yearperiodthanthosewhodidnotchangetheirtelevisiondiet.“Thefindingsareimportantbecausetheyshowthatweightlosscanonlybetheresultofareductionintelevisionviewingandnotanyotheractivity,”saidThomasRobinson,apediatrician(儿科专家)atStanfordUniversity.“Americanchildrenspendanaverageofmorethanfourhoursperdaywatchingtelevisionandvideosorplayingvideogames,andratesofchildhoodbeingveryfathavedoubledoverthepast20years,”Robinsonsaid.Inthestudy,presentedthisweektothePediatricAcademicSocieties’annualmeetinginSanFrancisco,theresearcherspersuadedabout100ofthestudentstoreducetheirtelevisionviewingbyone-quartertoone-third.Childrenwatchingfewerhoursoftelevisionshowedasignificantlysmallerincreaseinwaistsizeandhadlessbodyfatthanotherstudentswhocontinuedtheirnormaltelevisionviewing,eventhoughneithergroupateaspecialdietortookpartinanyextraexercise.“Oneexplanationfortheweightlosscouldbethechildrenunstucktothetelevisionmaysimplyhavebeenmovingaroundmoreandburningoffcalories,”Robinsonsaid.“Anotherreasonmightbeduetoeatingfewermealsinfrontofthetelevision.SomestudieshavesuggestedthateatinginfrontoftheTVencouragespeopletoeatmore,”Robinsonsaid.36.Theauthortriestotellusinthefirsttwoparagraphsthat________.A.childrenwillgetfatteriftheyeattoomuchB.childrenwillgetthinneriftheyeatlessC.childrenwillgetfat